Home / 136,932,032,665.05-188,966,427,378.90-75,964,401,457.68

Finding the Fourth Proportional to 136,932,032,665.05, 188,966,427,378.90 and 75,964,401,457.68

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Solution

The fourth proportional to 136,932,032,665.05, 188,966,427,378.90 and 75,964,401,457.68 is: 104,830,997,335.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,932,032,665.05 : 188,966,427,378.90 = 75,964,401,457.68 : x
  2. Step 2: Convert to fraction form
    136,932,032,665.05/188,966,427,378.90 = 75,964,401,457.68/x
  3. Step 3: Cross multiply
    136,932,032,665.05x = 188,966,427,378.90 × 75,964,401,457.68
  4. Step 4: Simplify right side
    136,932,032,665.05x = 14,354,721,551,434,291,085,312
  5. Step 5: Solve for x
    x = 14,354,721,551,434,291,085,312/136,932,032,665.05
  6. Step 6: Final answer
    x = 104,830,997,335.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.